All across the globe, for over a century, scientists have been introducing and reintroducing plants and animals with no environmental harm.

在全球范围内，一个多世纪以来，科学家们一直在引入和引回对环境无害的植物和动物。

The proposed shift is the latest example of the Trump administration downgrading the estimates of environmental harm from pollution in regulations.

特朗普政府正在下调有关规定中对污染造成的环境损害的评估，这次拟议的调整可以说就是最新的例子。

She says she remembers young children explaining to her that they had been taught at school about the environmental harms of plastic.

她表示，她记得年幼的孩子向她解释，他们在学校被告知有关塑料对环境的危害。

An invasive species is defined as one that causes economic or environmental harm in an environment to which it is not native.

入侵物种被定义为在非原生环境中造成经济或环境危害的物种。

But the listing came with conditions that Japan reduce the number of visitors, environmental harm from visitors, and fix man-made areas designed for visitors.

但这一名单附带的条件是，日本必须减少游客数量，减少游客对环境的破坏，并修复为游客设计的人造区域。

Farming itself is threatened by the environmental harm that it's contributed to, such as climate breakdown and soil depletion and the exhaustion of water supplies.

农业本身也面临由其造成的环境危害的威胁，例如气候崩溃、土壤贫瘠和供水枯竭等。

Batteries can help but are much too expensive to rely on at present, and mining, manufacturing, and disposing of them entail their own environmental harms.

电池可以提供帮助，但目前依赖电池的成本太高，而且开采、制造与销毁电池也会对环境造成危害。

So we face two enormous issues here. One, the environmental harm caused by the food system, and secondly, the possibility that the system itself could collapse.

以上就是我们面临的两个重大议题：一是粮食系统造成的环境危害，二是粮食系统本身崩溃的可能性。

Just as the environmental harm caused by aviation and other transport must come under far greater scrutiny, the social cost of tourism must also be confronted.

正如航空和其他运输方式造成的环境危害必须受到更严格的审查一样，我们也必须面对旅游的社会成本。

A lot of people have spent a long time, not to mention a huge amount of money, to hide the environmental harm of industrial farming.

很多人花了很长时间，更不用说巨额资金，来掩盖工业化农业对环境的危害。

A growing middle class around the world is driving up the demand for meat, milk and eggs, and that will mean more livestock farming leading to more deforestation and other environmental harm and an increase in greenhouse gas emissions.

世界各地不断壮大的中产阶级正在推高对肉类、牛奶和鸡蛋的需求，这将意味着更多的畜牧业将导致更多的森林砍伐和其他环境危害以及温室气体排放量的增加。